Home / 136,918.93-204,878.82-80,785.93

Finding the Fourth Proportional to 136,918.93, 204,878.82 and 80,785.93

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Solution

The fourth proportional to 136,918.93, 204,878.82 and 80,785.93 is: 120,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,918.93 : 204,878.82 = 80,785.93 : x
  2. Step 2: Convert to fraction form
    136,918.93/204,878.82 = 80,785.93/x
  3. Step 3: Cross multiply
    136,918.93x = 204,878.82 × 80,785.93
  4. Step 4: Simplify right side
    136,918.93x = 16,551,326,011.00
  5. Step 5: Solve for x
    x = 16,551,326,011.00/136,918.93
  6. Step 6: Final answer
    x = 120,884.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.